How big is a royal mail postage wallet

According to Royal Mail's official website, a Royal Mail Postage Wallet is approximately 12.5 cm (4.9 inches) wide, 8.5 cm (3.3 inches) deep, and 1.5 cm (0.6 inches) thick.

This size is designed to hold a variety of postage items, including stamps, envelopes, and packages, making it a convenient and portable way to manage your mail and postage needs.

Here's a rough outline of the dimensions:

Please note that these dimensions may be subject to slight variations depending on the specific design and material used in the production of the Postage Wallet.